[INFO] updating cached repository https://github.com/nsmryan/MachineLearningArtProject
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f450c741a52bc78e7481e1bb3b039a671a1fe231
[INFO] testing nsmryan/MachineLearningArtProject against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsmryan%2FMachineLearningArtProject" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nsmryan/MachineLearningArtProject on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nsmryan/MachineLearningArtProject
[INFO] finished tweaking git repo https://github.com/nsmryan/MachineLearningArtProject
[INFO] tweaked toml for git repo https://github.com/nsmryan/MachineLearningArtProject written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nsmryan/MachineLearningArtProject already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 350ed12a08b3b13f7dab01f364c313211ca00797d4c7840db3144b6f582170fa
[INFO] running `"docker" "start" "-a" "350ed12a08b3b13f7dab01f364c313211ca00797d4c7840db3144b6f582170fa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling stb_truetype v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling fann-sys v0.1.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling fann v0.1.7
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling imageproc v0.18.0
[INFO] [stderr]    Compiling nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/main.rs:75:34
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 .filter(|(index, val)| index % 3 == 0)
[INFO] [stderr]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/main.rs:76:24
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 .map(|(index, val)| (*val as f32) / 256.0)
[INFO] [stderr]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.nn.avxymb72-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9" "/opt/rustwide/target/debug/deps/nn-4cf79e7bedf2f1c9.1ic0siykk9r8p5we.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libimageproc-5d000b9073007f48.rlib" "/opt/rustwide/target/debug/deps/librand-b264a76d00257e27.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-f09d120b1e8302ce.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-f6b9b3804de622ab.rlib" "/opt/rustwide/target/debug/deps/librand_hc-1ed774b1b0cc13a9.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-bcdb8ecac43414c8.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-9e0c665f67464740.rlib" "/opt/rustwide/target/debug/deps/librand_core-e1f807daa840ecfb.rlib" "/opt/rustwide/target/debug/deps/librand_os-327fbb0b7caf4e00.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-cfb0a3bcbd66008e.rlib" "/opt/rustwide/target/debug/deps/librand_core-3765e1a61bc3f75e.rlib" "/opt/rustwide/target/debug/deps/libnum-5cc84e6904d71fe2.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-214cd07a449d99ca.rlib" "/opt/rustwide/target/debug/deps/librusttype-c12f1131d7f86b1f.rlib" "/opt/rustwide/target/debug/deps/libstb_truetype-ee4d0dc726bc990a.rlib" "/opt/rustwide/target/debug/deps/libapprox-7a7f5e8fc180e917.rlib" "/opt/rustwide/target/debug/deps/libordered_float-f4afd492a2babed6.rlib" "/opt/rustwide/target/debug/deps/libconv-7f8463ceb1ff0b77.rlib" "/opt/rustwide/target/debug/deps/libcustom_derive-0df5d99e16657fa7.rlib" "/opt/rustwide/target/debug/deps/libitertools-17f56772da00d44d.rlib" "/opt/rustwide/target/debug/deps/libimage-9d00513c5c8c47a4.rlib" "/opt/rustwide/target/debug/deps/libtiff-84600e213b186b0b.rlib" "/opt/rustwide/target/debug/deps/libpng-4b9b027b239e6d91.rlib" "/opt/rustwide/target/debug/deps/libdeflate-ed68cc25e610f832.rlib" "/opt/rustwide/target/debug/deps/libinflate-d29daa1be3af2caa.rlib" "/opt/rustwide/target/debug/deps/libadler32-ba32950d5463515f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-720622ad5a033225.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-f6f3927323108f2e.rlib" "/opt/rustwide/target/debug/deps/librayon-ada0e4fa87ba7e23.rlib" "/opt/rustwide/target/debug/deps/libeither-5b14a27d00cf6dd4.rlib" "/opt/rustwide/target/debug/deps/librayon_core-c3413316f0bc9188.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-36a53009231b826c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-53cd24199f865331.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-20dcd3c9522235bb.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-96db1f09e66479ea.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-3ea2ef599738323b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-c207312554410787.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-8867c19b2d8c8c98.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-362ea8c46bdc1e85.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-cef505af99351667.rlib" "/opt/rustwide/target/debug/deps/libnodrop-3f1ae48cdf99ed25.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-cd4eb633569b1741.rlib" "/opt/rustwide/target/debug/deps/libgif-aa442aec61563810.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-fc6ee7c20d132f45.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-7408aa4969a3ac7f.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-e72f643c095ec912.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-879c0a84eaabb37a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-2ca3a797c9de7e55.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-3d725454dc35e92a.rlib" "/opt/rustwide/target/debug/deps/liblzw-c5b09777a31838f7.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-5bd502422c43746c.rlib" "/opt/rustwide/target/debug/deps/libfann-3898b8972024e6a5.rlib" "/opt/rustwide/target/debug/deps/libfann_sys-d6323b23b503f7b8.rlib" "/opt/rustwide/target/debug/deps/liblibc-fee3d348422f1cc1.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lfann" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lfann
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `nn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "350ed12a08b3b13f7dab01f364c313211ca00797d4c7840db3144b6f582170fa"`
[INFO] running `"docker" "rm" "-f" "350ed12a08b3b13f7dab01f364c313211ca00797d4c7840db3144b6f582170fa"`
[INFO] [stdout] 350ed12a08b3b13f7dab01f364c313211ca00797d4c7840db3144b6f582170fa